Successfully complete Bionic Commando: Rearmed and the following tasks to get codes to unlock the "Prototype Weapon", "Purple Matrix", and "Retro Oufit" in Bionic Commando. Note: The codes are different between PlayStation 3 consoles.

Prototype Weapon: In Bionic Commando: Rearmed, find the floating FSA icon in Area A. It is located behind an electrical barrier you must backtrack to after removing. This will unlock the code in the Database.

Purple Matrix: In Bionic Commando: Rearmed, go to Area 0, and look for the open Yashichi door after collecting all twelve Yashichis. Collect the "Purple Matrix" inside. This will unlock the code in the Database.

Retro Outfit: Download Bionic Commando: Rearmed to unlock the code in the Database.

Retro costume

Successfully complete the game to unlock the Retro costume.

Upgrades

Successfully complete the indicated task to unlock the corresponding upgrade:

Ammunition Upgrade 1: Use a grenade to kill one Grunt. This increases ammo capacity.

Ammunition Upgrade 2: Kill an enemy with a "Death From Above". This increases your ammo capacity.

Faster Reload 1: Defeat one Biomech. This decreases the reload rate of the Yelena.

Faster Reload 2: Use the Kite ability on fifteen Grunts and kill them in the air. This decreases the reload rate of the Yelena.

Firestorm: Kill three Grunts with one Bulldog shot. This increases the blast radius for the Bulldog.

Weapon Usage: Two Hit Wonder: Kill two guards with a single hiker shot.

Hidden ending message

Successfully complete the game. After the credits, a screen with red Morse code will appear. It translates into the German message "BESTAETIGE. AUSFUEHRUNG VON PHASE ZWEI VORBEREITET. AKTIVIERE PROJEKT ALBATROSS." The English translation reads "CONSENT. IMPLEMENTATION OF PHASE TWO PREPARED. ACTIVATE PROJECT ALBATROSS."

Resident Evil 5 reference

Towards the beginning of the game, after you exit through the big hole in the side of the building there is a Tricell billboard. This is a reference to Resident Evil 5.

Trophies

Successfully complete one of the following tasks to get a trophy:

Blood Trial (Bronze): Complete "Blood Trial" challenge.

Close Up (Bronze): Complete "Close Up" challenge.

Leap Up! (Bronze): Complete "Leap Up!" challenge.

Kaboom (Bronze): Complete "Kaboom" challenge.

Train Wreck (Bronze): Complete "Train Wreck" challenge.

Swinger (Bronze): Complete "Swinger" challenge.

Man Locked Up (Bronze): Complete "Man Locked Up" challenge.

Stroke of Luck (Bronze): Complete "Stroke of Luck" challenge.

Kick In The Back (Bronze): Complete "Kick In The Back" challenge.

Receiving End (Bronze): Complete "Receiving End" challenge.

Jabber Man (Bronze): Complete "Jabber Man" challenge.

Incoming! (Bronze): Complete "Incoming!" challenge.

Slayer (Bronze): Complete "Slayer" challenge.

Torn Into Pieces (Bronze): Complete "Torn Into Pieces" challenge.

Fair Fight! (Bronze): Complete "Fair Fight!" challenge.

Cracker (Bronze): Complete "Cracker" challenge.

Whoo-paah! (Bronze): Complete "Whoo-paah!" challenge.

Down To Earth (Bronze): Complete "Down To Earth" challenge.

Rocket Man (Bronze): Complete "Rocket Man" challenge.

Two Hit Wonder (Bronze): Complete "Two Hit Wonder" challenge.

Explosive Delivery (Bronze): Complete "Explosive Delivery" challenge.

The Pinball Effect (Bronze): Complete "The Pinball Effect" challenge.

Worthy Foe (Bronze): Complete "Worthy Foe" challenge.

Spence is in the Air (Bronze): Complete "Spence is in the Air" challenge.